For the following questions answer them individually
Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?
In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Superconductors
In a certain code language, "PEN-TAN" is written as "0". How is "DEN-COB" written in that code language?
If "÷" denotes "multiplied by", "+" denotes "subtracted from", "-" denotes "added to" and "x" denotes "divided by", then which of the following equation is true?
In the following question. select the number which  can be placed at the sign of question mark (?) from  the given alternatives.Â
In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. All stars are white.
II. All white are moon.
III. No moon is blue.
Conclusions:
I. Some moon are stars.
II. No blue is stars.
III. Some white are stars.
IV. Some blue are white.
Three positions of a cube are shown below. What will come opposite to face containing '5'?Â